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金属矿山 ›› 2015, Vol. 44 ›› Issue (05): 97-100.

• 矿物工程 • 上一篇    下一篇

某铷矿石选矿试验

王丹,曾强,金明,杨天奇   

  1. 中南大学资源加工与生物工程学院,湖南 长沙 410083
  • 出版日期:2015-05-15 发布日期:2015-08-04

Beneficiation Tests of the Rubidium-containing Ore

Wang Dan,Zeng Qiang,Jin Ming,Yang Tianqi   

  1. School of Minerals Processing and Bioengineering,Central South University,Changsha 410083,China
  • Online:2015-05-15 Published:2015-08-04

摘要: 我国某大型铷矿床为国内首个独立铷矿床,Rb2O品位为0.12%,总金属量近10万t,矿石中的铷以类质同象形式存在于黑云母中。为高效回收该铷矿资源,采用富集黑云母的方式进行了铷回收试验研究。结果表明,在磨矿细度为-0.074 mm占60%的情况下,采用2粗3精、中矿顺序返回流程处理该矿石,可取得Rb2O品位为0.28%、回收率为65.93%的铷精矿。试验指标较好,可实现铷的高效回收。

关键词: 铷, 黑云母, 类质同象, 浮选

Abstract: A large rubidium deposit in our country is considered as the first domestic deposit with Rb2O grade of 0.12% and the total metal volume of nearly 100 000 t.The rubidium exists in biotite in form of isomorphism.Beneficiation experiments were carried out to efficiently recover the rubidium.The results showed that at the grinding fineness of 60% passing 0.074 mm,rubidium concentrate with Rb2O grade of 0.28% and recovery of 65.93% was obtained through the flotation process of two roughing-three cleaning,and middles back to the flow-sheet in turn.With good flotation index,rubidium can be well recovered by this process.

Key words: Rubidium, Biotite, Isomorphism, Flotation